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10.3390/ma12233867
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Article

Comparison between Mechanical Properties and Structures of a Rolled and a 3D-Printed Stainless Steel

by
Stefano Natali
,
Andrea Brotzu
and
Daniela Pilone
*
Dipartimento ICMA, Sapienza Università di Roma, Via Eudossiana 18, 00184 Roma, Italy
*
Author to whom correspondence should be addressed.
Materials 2019, 12(23), 3867; https://doi.org/10.3390/ma12233867
Submission received: 20 October 2019 / Revised: 14 November 2019 / Accepted: 21 November 2019 / Published: 23 November 2019
(This article belongs to the Special Issue Structure and Mechanical Properties of Alloys)
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Abstract

In this work selective laser melting was successfully utilized to produce 316 stainless steel bulk specimens. Although this technology provides many advantages compared to conventional shaping processes, little residual porosity may be a problem for some applications where high strength is required. The objective of this work was to determine, through data analysis, a mechanical and metallographic comparison between thin sheets made by using different manufacturing technologies: Cold rolling and additive manufacturing. This comparison was useful to understand whether it could be more advantageous to use the prototyping for new mechanical components. The results show that the additive manufactured steel, due to its microstructure, is characterized by a higher yield strength and by a lower elongation and ultimate tensile strength.
Keywords: additive manufacturing; mechanical properties; selective laser melting additive manufacturing; mechanical properties; selective laser melting

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MDPI and ACS Style

Natali, S.; Brotzu, A.; Pilone, D. Comparison between Mechanical Properties and Structures of a Rolled and a 3D-Printed Stainless Steel. Materials 2019, 12, 3867. https://doi.org/10.3390/ma12233867

AMA Style

Natali S, Brotzu A, Pilone D. Comparison between Mechanical Properties and Structures of a Rolled and a 3D-Printed Stainless Steel. Materials. 2019; 12(23):3867. https://doi.org/10.3390/ma12233867

Chicago/Turabian Style

Natali, Stefano, Andrea Brotzu, and Daniela Pilone. 2019. "Comparison between Mechanical Properties and Structures of a Rolled and a 3D-Printed Stainless Steel" Materials 12, no. 23: 3867. https://doi.org/10.3390/ma12233867

APA Style

Natali, S., Brotzu, A., & Pilone, D. (2019). Comparison between Mechanical Properties and Structures of a Rolled and a 3D-Printed Stainless Steel. Materials, 12(23), 3867. https://doi.org/10.3390/ma12233867

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